package com.example.tests;

import static org.hamcrest.Matchers.equalTo;
import static org.junit.Assert.assertThat;
import java.util.Random;

import org.testng.annotations.Test;

import com.example.utils.SortedListOf;

public class GroupModificationTests extends TestBase {
	
	@Test(dataProvider = "groupsFromFile")
	public void modifySomeGroup(GroupData group){
		SortedListOf<GroupData> oldList = app.getGroupHelper().getGroups();
		Random rnd= new Random();
		int index = rnd.nextInt(oldList.size()-1)+1;
		app.getGroupHelper().modifyGroup(index, group);
		SortedListOf<GroupData> newList = app.getGroupHelper().getGroups();
        assertThat(newList,equalTo(oldList.without(index-1).withAdded(group)));
	}

}
